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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Ubuntu Issues Fix) Mozilla Firefox PDF Viewer Same-Origin Bypass Lets Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1033217
SecurityTracker URL:  http://securitytracker.com/id/1033217
CVE Reference:   CVE-2015-4495   (Links to External Site)
Date:  Aug 7 2015
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 39.0.3
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can obtain files from the target user's system.

A remote user can create specially crafted content that, when loaded by the target user, will bypass same-origin policy and inject arbitrary JavaScript into the built-in PDF Viewer in the local file context and gain access to files on the target user's system with the privileges of the target user.

This vulnerability is being actively exploited.

Cody Crews reported this vulnerability.

Impact:   A remote user can obtain files on the target user's system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2707-1

Vendor URL:  www.ubuntu.com/usn/usn-2707-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 15.04

Message History:   This archive entry is a follow-up to the message listed below.
Aug 7 2015 Mozilla Firefox PDF Viewer Same-Origin Bypass Lets Remote Users Obtain Potentially Sensitive Information on the Target System



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